Allen Low pH Area Assessment Plan Comments_20190715

ROY COOPER
Governor
NCHAEL S. REGAN
Secretory
LINDA CULPEPPER
Director
Paul Draovitch
Senior Vice President
Environmental, Health & Safety
Duke Energy
526 South Church Street
Mail Code EC3XP
Charlotte, North Carolina 28202
NORTH CAROLINA
Environmental QuaUty
July 15, 2019
Subject: Low pH Area and Coal Pile Area Assessment Work Plan Comments — Allen Steam
Station
Dear Mr. Draovitch:
On July 2, 2019, the North Carolina Department of Environmental Quality Division of Water
Resources (Division) received the proposed Low pH Area and Coal Pile Area Assessment Work Plan
for the Allen Steam Station. The Division has reviewed and hereby approves the proposed assessment
activities under the condition that the following items are addressed as part of the plan implementation
and the results reported in the comprehensive site assessment concerning the subject area.
If applicable, the results should also be incorporated into the updated Corrective Action Plan (CAP)
revised geochemical and groundwater fate and transport models. If the results of the modeling show
current or future impacts to groundwater and/or surface water from this area, then appropriate remedial
strategies shall be proposed in the CAP.
If you have any questions, please contact Brandy Costner (Mooresville Regional Office) at (704) 235-
2185 or Steve Lanter (Central Office) at [phone].
Sincerely,
l
n Risg , Chief
Animal eeding Operations and Groundwater Section
cc: MRO WQROS Regional Office
WQROS Central File Copy
I North Carolina Department of Environmental Quality 1 Division of Water Resources
ME 512 North Salisbury Street 1 1636 Mail Service Center i Raleigh, North Carolina 27699-1636
�u.a 919.707.9000